Pressure - Jamb Physics Past Questions and Answers

Question 66:

• JAMB 2017

The instrument used to measure the pressure of a gas is

A. Barometer
B. Thermometer
C. Hygrometer
D. Manometer

Question 67:

• JAMB 2018

In the diagram given if the atmospheric pressure is 760mm, the pressure in the chamber G Is

A. 660mm
B. 890mm
C. 690mm
D. 860mm

Question 68:

• JAMB 2019

A man on a bench will exert the greatest pressure on the bench when he

A. Lies flat on his back
B. Lies flat on his belly
C. Stands on both feet
D. Stands on the toes of one foot

Question 69:

• JAMB 2019

Water and Kerosine are drawn respectively into the two limbs of a Hare's apparatus. The destiny of water is 1.0gcm\(^{-3}\) and the density of kerosine is 0.80gcm\(^{-3}\). If the height of the water column is 20.0cm, calculate the height of the kerosine column.

A. 1.6cm
B. 16.0cm
C. 20.0cm
D. 25.0cm

Question 70:

• JAMB 2019

Which of these is observed when air is pumped out of a discharge tube without lowering its pressure

A. The conductivity of the air increases
B. The conductivity of the air decreases
C. Conduction does not occur
D. Spark are produced